16986508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 37433088

約数和(自身を除く): 20446580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 131, 154, 262, 308, 421, 524, 842, 917, 1441, 1684, 1834, 2882, 2947, 3668, 4631, 5764, 5894, 9262, 10087, 11788, 18524, 20174, 32417, 40348, 55151, 64834, 110302, 129668, 220604, 386057, 606661, 772114, 1213322, 1544228, 2426644, 4246627, 8493254, 16986508]

約数ペア:

[(1, 16986508), (2, 8493254), (4, 4246627), (7, 2426644), (11, 1544228), (14, 1213322), (22, 772114), (28, 606661), (44, 386057), (77, 220604), (131, 129668), (154, 110302), (262, 64834), (308, 55151), (421, 40348), (524, 32417), (842, 20174), (917, 18524), (1441, 11788), (1684, 10087), (1834, 9262), (2882, 5894), (2947, 5764), (3668, 4631)]